header{
    width: 100%;
    height: 30px;
    background-color: #3e3a39;
    /* background-color: white; */
}
.headcon{

    width: 1198px;
    height: 30px;
    margin: 0 auto;
    line-height: 30px;

}
.headleft{
    float: left;
    color: #f2ffff;
}
.headright{
    float: right;
    color: #cccccc;
    

}
.headright ul{
    display: flex;
    justify-content: space-between;
}
.headcon a{
    color: #cccccc;
    padding: 0 5px;
}
.headright li{
    padding: 0 5px;
    display: flex;
}
li:nth-of-type(3) section{
    width: 30px;
    height: 30px;
    background:url(../images/scico.png) no-repeat  2px 6px

}
li:nth-of-type(4) section{
    width: 30px;
    height: 30px;
    background:url(../images/scico.png) no-repeat  2px -56px


}
li:nth-of-type(4) {
    position: relative;
}
.headright li img{
    display: none;
    top: 30px;
    left: 0;
    width: 100px;
    height: 100px;
    position: absolute;

}
nav{
    width: 1226px;
    height: 90px;
    margin: 0 auto;
    display:flex;
    align-items: center;
    background-color: white;
    text-decoration: ;
    
    
}
nav img{
    width: 290px;
    height: 63px;
}
nav>div{
    width: 652px;
    display: flex;
    justify-content: space-around;
    font-size: 16px;
    color: #333333;
       
}
nav input{
    width: 240px;
    height: 42px;
    font-size: 12px;
    text-indent: 1em;
}
nav button{
    width: 60px;
    height: 48px;
    background-color: #ff6700;
    outline: 0;
    border: 0;
    color: #ffffff;
    font-size: 14px;
}
nav a{
    color: #333333;
}